diff --git a/src/internet/test/tcp-header-test.cc b/src/internet/test/tcp-header-test.cc
index 02f984b00..0e96286c9 100644
--- a/src/internet/test/tcp-header-test.cc
+++ b/src/internet/test/tcp-header-test.cc
@@ -23,7 +23,7 @@
 #include "ns3/core-module.h"
 #include "ns3/tcp-header.h"
 #include "ns3/buffer.h"
-#include "../model/tcp-option-rfc793.h"
+#include "ns3/private/tcp-option-rfc793.h"
 
 namespace ns3 {